package org.higginsexamples.multiusermail.rcpmail;

import org.eclipse.equinox.app.IApplication;
import org.eclipse.equinox.app.IApplicationContext;
import org.eclipse.jface.window.Window;
import org.eclipse.swt.widgets.Display;
import org.eclipse.swt.widgets.Shell;
import org.eclipse.ui.IWorkbench;
import org.eclipse.ui.PlatformUI;

/**
 * This class controls all aspects of the application's execution
 */
public class Application implements IApplication {

	public Object start(IApplicationContext context) {
		Display display = PlatformUI.createDisplay();
		try {

			Shell invisibleLoginShell = new Shell(display);
			LoginDialog loginDialog = new LoginDialog(invisibleLoginShell);
			invisibleLoginShell.dispose();

			if ((loginDialog.open() == Window.OK)) {
				int returnCode = PlatformUI.createAndRunWorkbench(display,
						new ApplicationWorkbenchAdvisor());
				if (returnCode == PlatformUI.RETURN_RESTART) {
					return IApplication.EXIT_RESTART;
				}
				return IApplication.EXIT_OK;
			 }
			 // login cancelled
			 return IApplication.EXIT_OK;
		} finally {
			display.dispose();
		}
	}

	public void stop() {
		final IWorkbench workbench = PlatformUI.getWorkbench();
		if (workbench == null)
			return;
		final Display display = workbench.getDisplay();
		display.syncExec(new Runnable() {
			public void run() {
				if (!display.isDisposed())
					workbench.close();
			}
		});
	}
}
